linux-kernel - [PATCH] media: rcar_jpu: Make use of the helper function devm_platform_ioremap

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Date:   Wed, 1 Sep 2021 13:55:32 +0800
From:   Cai Huoqing <caihuoqing@...du.com>
To:     <caihuoqing@...du.com>
CC:     Mikhail Ulyanov <mikhail.ulyanov@...entembedded.com>,
        "Mauro Carvalho Chehab" <mchehab@...nel.org>,
        <linux-media@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] media: rcar_jpu: Make use of the helper function devm_platform_ioremap_resource()

Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately

Signed-off-by: Cai Huoqing <caihuoqing@...du.com>
---
 drivers/media/platform/rcar_jpu.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/media/platform/rcar_jpu.c b/drivers/media/platform/rcar_jpu.c
index f57158bf2b11..56bb464629ed 100644
--- a/drivers/media/platform/rcar_jpu.c
+++ b/drivers/media/platform/rcar_jpu.c
@@ -1590,7 +1590,6 @@ MODULE_DEVICE_TABLE(of, jpu_dt_ids);
 static int jpu_probe(struct platform_device *pdev)
 {
 	struct jpu *jpu;
-	struct resource *res;
 	int ret;
 	unsigned int i;
 
@@ -1603,8 +1602,7 @@ static int jpu_probe(struct platform_device *pdev)
 	jpu->dev = &pdev->dev;
 
 	/* memory-mapped registers */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	jpu->regs = devm_ioremap_resource(&pdev->dev, res);
+	jpu->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(jpu->regs))
 		return PTR_ERR(jpu->regs);
 
-- 
2.25.1